Made AudioNode an EventTarget

Source/modules/webaudio/ScriptProcessorNode.h

Index: Source/modules/webaudio/ScriptProcessorNode.h
diff --git a/Source/modules/webaudio/ScriptProcessorNode.h b/Source/modules/webaudio/ScriptProcessorNode.h
index 65c56cc4417ca0c8f3a486b82a27debf255150c4..7fc4245f7faf3838634f21c22dafe237e5312d09 100644
--- a/Source/modules/webaudio/ScriptProcessorNode.h
+++ b/Source/modules/webaudio/ScriptProcessorNode.h
@@ -25,9 +25,6 @@
 #ifndef ScriptProcessorNode_h
 #define ScriptProcessorNode_h
 
-#include "core/dom/ActiveDOMObject.h"
-#include "core/dom/EventListener.h"
-#include "core/dom/EventTarget.h"
 #include "core/platform/audio/AudioBus.h"
 #include "modules/webaudio/AudioNode.h"
 #include "wtf/Forward.h"
@@ -47,8 +44,7 @@ class AudioProcessingEvent;
 // The "onaudioprocess" attribute is an event listener which will get called periodically with an AudioProcessingEvent which has
 // AudioBuffers for each input and output.
 
-// FIXME: EventTarget should be introduced at the base of the inheritance hierarchy (i.e., as a base class for AudioNode).
-class ScriptProcessorNode : public AudioNode, public EventTarget {
+class ScriptProcessorNode : public AudioNode {
 public:
     // bufferSize must be one of the following values: 256, 512, 1024, 2048, 4096, 8192, 16384.
     // This value controls how frequently the onaudioprocess event handler is called and how many sample-frames need to be processed each call.
@@ -64,19 +60,10 @@ public:
     virtual void initialize();
     virtual void uninitialize();
 
-    // EventTarget
-    virtual const AtomicString& interfaceName() const;
-    virtual ScriptExecutionContext* scriptExecutionContext() const;
-    virtual EventTargetData* eventTargetData() { return &m_eventTargetData; }
-    virtual EventTargetData* ensureEventTargetData()  { return &m_eventTargetData; }
-
     size_t bufferSize() const { return m_bufferSize; }
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(audioprocess);
 
-    // Reconcile ref/deref which are defined both in AudioNode and EventTarget.
-    using AudioNode::ref;
-    using AudioNode::deref;
     
 private:
     virtual double tailTime() const OVERRIDE;
@@ -95,10 +82,6 @@ private:
     Vector<RefPtr<AudioBuffer> > m_inputBuffers;
     Vector<RefPtr<AudioBuffer> > m_outputBuffers;
 
-    virtual void refEventTarget() { ref(); }
-    virtual void derefEventTarget() { deref(); }
-    EventTargetData m_eventTargetData;
-
     size_t m_bufferSize;
     unsigned m_bufferReadWriteIndex;
     volatile bool m_isRequestOutstanding;